/*
 * PVVMUD a 3D MUD
 * Copyright (C) 1998-1999  Programvareverkstedet (pvv@pvv.org)
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */
#include "pvvmud.H"
#include <string.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/socket.h> 
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <stdio.h>
#include <iostream.h>
#include "inetaddress.H"

#ifndef INADDR_NONE
#define INADDR_NONE -1
#endif

CUnknownHostException::CUnknownHostException()
  :CException("Unknown host exception"){

}

CInetAddress::CInetAddress(){
  setAddress(INADDR_NONE,0);
}

CInetAddress::CInetAddress(DWORD address){
  setAddress(address,0);
}

CInetAddress::CInetAddress(DWORD address,WORD port){
  setAddress(address,port);
}

CInetAddress::CInetAddress(char * hostName, WORD port){
  struct hostent * hent;
  char *portString;

  portString=strchr(hostName,':');
  if (portString) {
     port=atoi(portString+1);
     portString[0]=0;
     // printf("%s , %s\n",hostName,portString+1);
     cdebug << hostName << " , " << (portString+1) << "\n";
  };

  if (hostName) { 
    if (!strcmp("localhost",hostName)) {
      // printf("Connecting to localhost, port : %i",port);
      cdebug << "Connecting to localhost, port : " << port << "\n";
      if (portString) portString[0]=':';
      setAddress(INADDR_LOOPBACK,port);
      return;
    }
  }

  if ((hent = gethostbyname(hostName)) == NULL){
    throw new CUnknownHostException();
  }

  if (portString) {
    portString[0]=':';
  }

  //printf("Connecting to another server, port : %i",port);
  cdebug << "Connecting to another server, port : " << port << "\n";

  setAddress(htonl(*((DWORD*)hent->h_addr)),port);
}

CInetAddress::CInetAddress(char * hostName){
  struct hostent * hent;
  char *portString;
  WORD port=0;

  portString=strchr(hostName,':');
  if (portString) {
     port=atoi(portString+1);
  };

  if ((hent = gethostbyname(hostName)) == NULL){
    throw new CUnknownHostException();
  }
  
  setAddress(htonl(*((DWORD*)hent->h_addr)),port);
}

void CInetAddress::setAddress(DWORD address,WORD port){
  m_address = address;
  m_port = port;
}

char * CInetAddress::getHostName(){
  struct hostent * hent;
  DWORD address;

  address=htonl(m_address);

  if ((hent = gethostbyaddr((char*)&address, sizeof m_address, AF_INET)) == NULL){
    throw new CUnknownHostException();
  }

  return hent->h_name;
}

char *  CInetAddress::getAddressString(){
  static char addr[1024];
  try {
    sprintf(addr,"%s:%d",getHostName(),getPort());
  } catch (CException * e){
    cdebug << *e << "\n";
    delete e;
    DWORD naddr = htonl(getAddress());
    struct in_addr * inaddr = (struct in_addr*)&naddr;
    sprintf(addr,"%s:%d",inet_ntoa(*inaddr),getPort());
  }
  return addr;
}


ostream& operator<<(ostream&s,const CInetAddress& address){
  return s << ((CInetAddress)address).getAddressString();
}